Caterpillar

This presentation reports on work covered under DOE/NASA Thick Thermal Barrier Coatings for diesel components, contract DEN3-332. (Fig. 1) This contract is being monitored thru NASALewis by Program Manager Murray Bailey. The objective of this work (Fig. 2) is to demonstrate the durability potential for a thick coating system with an overall thermal conductance of 0.5 BTU/hr-sq. in.-deg. F (400W/M C) and will be demonstrated with a 100 hr. single cylinder engine test. This work involves plasma spraying of zirconia thermal barrier coatings. These coatings will be placed on the pistons, valves and cylinder head of a single cylinder test engine. The target for this demonstration, of course, is the heavy duty diesel truck engine.

DOE/NASA THICK THERMAL BARRIER COATINGS FOR DIESEL COMPONENTS - CONTRACT DEN3-332

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